.page-home {
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-home .hero-grid,
.page-home .watch-grid,
.page-home .v3-grid,
.page-home .transfer-grid,
.page-home .track-grid,
.page-home .service-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  min-width: 0;
}

/* ---------- S01 首屏 ---------- */

.page-home .home-hero {
  padding-top: clamp(32px, 5vw, 72px);
  padding-bottom: clamp(36px, 5vw, 76px);
}

.page-home .hero-body {
  order: -1;
  min-width: 0;
}

.page-home .hero-rail {
  min-width: 0;
}

.page-home .rail-title {
  margin: 10px 0 6px;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: var(--paper);
}

.page-home .rail-note {
  margin: 0 0 4px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .round-track {
  position: relative;
  margin: 14px 0 0;
  padding: 0 0 0 20px;
  list-style: none;
  border-left: 1px solid var(--line);
}

.page-home .round-node {
  position: relative;
  padding: 10px 0 12px;
  border-bottom: 1px solid var(--line-soft);
  transition: border-color var(--ease);
}

.page-home .round-node:last-child {
  border-bottom: none;
}

.page-home .round-node::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 16px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line);
  transition: background var(--ease), box-shadow var(--ease);
}

.page-home .round-node.is-current::before {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(47, 242, 196, 0.14);
}

.page-home .round-node:hover::before {
  background: var(--cyan);
}

.page-home .round-node:hover {
  border-bottom-color: var(--cyan-dim);
}

.page-home .round-no {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--paper);
}

.page-home .round-node.is-current .round-no {
  color: var(--cyan);
}

.page-home .round-meta {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  transition: color var(--ease);
}

.page-home .round-node:hover .round-meta {
  color: var(--text-soft);
}

.page-home .hero-body h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 6.6vw, 76px);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--text-soft);
}

.page-home .hero-figure {
  margin: clamp(26px, 3.6vw, 42px) 0 0;
}

.page-home .hero-media img,
.page-home .watch-media img,
.page-home .v3-media img,
.page-home .band-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-home .hero-media {
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  background: var(--panel);
  box-shadow: var(--shadow-2);
  overflow: hidden;
}

.page-home .round-previews {
  margin: clamp(26px, 3.6vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-home .round-preview {
  padding: 16px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-1);
  transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.page-home .round-preview:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
  box-shadow: var(--shadow-2);
}

.page-home .preview-tag {
  display: inline-block;
}

.page-home .preview-title {
  margin: 10px 0 4px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .preview-meta {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.page-home .hero-next {
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-home .hero-next .num {
  color: var(--cyan);
}

/* ---------- 通用章节头 ---------- */

.page-home .section-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(28px, 4.6vw, 54px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .section-note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .prose {
  margin: 16px 0 0;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-home .prose:first-of-type {
  margin-top: 14px;
}

/* ---------- S02 观看路径 ---------- */

.page-home .home-watch {
  padding-top: clamp(36px, 5vw, 72px);
  padding-bottom: clamp(36px, 5vw, 72px);
}

.page-home .watch-flow {
  margin: clamp(28px, 3.6vw, 40px) 0 0;
  padding: 0 0 0 26px;
  list-style: none;
  border-left: 2px solid var(--line);
  min-width: 0;
}

.page-home .flow-step {
  position: relative;
  padding: 18px 0 22px;
}

.page-home .flow-step::before {
  content: "";
  position: absolute;
  left: -33px;
  top: 26px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--panel);
  border: 2px solid var(--cyan-dim);
  transition: background var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.page-home .flow-step:hover::before {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(47, 242, 196, 0.14);
}

.page-home .flow-no {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-home .flow-body h3 {
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .flow-body p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-home .watch-figure {
  margin: 0;
}

.page-home .watch-media {
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  background: var(--panel);
  box-shadow: var(--shadow-2);
  overflow: hidden;
}

/* ---------- 呼吸留白区 ---------- */

.page-home .home-breather {
  background: var(--band);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(22px, 3.4vw, 40px) 0;
}

.page-home .breather-inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .breather-index {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-home .breather-scale {
  display: block;
  height: 18px;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 26px);
  opacity: 0.9;
}

.page-home .breather-label {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

/* ---------- S03 V3 刷新 ---------- */

.page-home .home-v3 {
  padding-top: clamp(38px, 5vw, 78px);
  padding-bottom: clamp(38px, 5vw, 78px);
}

.page-home .v3-figure {
  margin: 0;
}

.page-home .v3-media {
  position: relative;
  border: 1px solid var(--line);
  border-bottom: 2px solid var(--orange);
  background: var(--panel);
  box-shadow: var(--shadow-2);
  overflow: hidden;
}

.page-home .v3-body h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(28px, 4.6vw, 54px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 14px;
  margin: clamp(24px, 3vw, 34px) 0 clamp(20px, 2.6vw, 28px);
}

.page-home .stat {
  padding: 16px 16px 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan-dim);
  transition: border-color var(--ease), transform var(--ease);
}

.page-home .stat:hover {
  border-left-color: var(--cyan);
  transform: translateY(-2px);
}

.page-home .stat-value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-home .stat-value.num-orange {
  color: var(--orange);
}

.page-home .stat-label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-home .v3-action {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: clamp(22px, 3vw, 30px) 0 0;
}

/* ---------- S04 中文版与转会 ---------- */

.page-home .home-transfer {
  padding-top: clamp(38px, 5vw, 78px);
  padding-bottom: clamp(38px, 5vw, 78px);
  background: var(--band);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .transfer-body {
  min-width: 0;
}

.page-home .tag-list {
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-home .tag-card {
  padding: 14px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-1);
  transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.page-home .tag-card:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
  box-shadow: var(--shadow-2);
}

.page-home .tag-card p {
  margin: 9px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-home .transfer-aside {
  padding: 22px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  box-shadow: var(--shadow-1);
  min-width: 0;
}

.page-home .aside-title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .aside-text {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-soft);
}

/* ---------- S05 归档 ---------- */

.page-home .home-track {
  padding-top: clamp(38px, 5vw, 78px);
  padding-bottom: clamp(38px, 5vw, 78px);
}

.page-home .band-figure {
  margin: 0 0 clamp(30px, 4vw, 52px);
}

.page-home .band-media {
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

.page-home .track-head {
  min-width: 0;
}

.page-home .track-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(28px, 4.6vw, 54px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .track-body {
  min-width: 0;
}

.page-home .track-list {
  margin-top: clamp(20px, 2.6vw, 28px);
}

/* ---------- 索引列表 ---------- */

.page-home .index-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-home .index-item {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  justify-content: space-between;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
  color: var(--text-soft);
  transition: border-color var(--ease), color var(--ease);
}

.page-home .index-item:hover {
  border-bottom-color: var(--cyan-dim);
  color: var(--paper);
}

.page-home .index-key {
  flex: 0 0 auto;
  min-width: 72px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

/* ---------- S06 服务 ---------- */

.page-home .home-service {
  padding-top: clamp(38px, 5vw, 78px);
  padding-bottom: clamp(46px, 6vw, 96px);
  background: var(--band);
  border-top: 1px solid var(--line);
}

.page-home .service-body h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(28px, 4.6vw, 54px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .service-action {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: clamp(22px, 3vw, 30px) 0 0;
}

.page-home .service-aside {
  min-width: 0;
}

.page-home .service-list .index-item {
  font-size: 14px;
}

.page-home .muted-text {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 焦点反馈 ---------- */

.page-home .round-preview:focus-visible,
.page-home .tag-card:focus-visible,
.page-home .stat:focus-visible,
.page-home a:focus-visible,
.page-home .round-node:focus-visible,
.page-home .flow-step:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-home .round-previews {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-home .tag-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-home .breather-inner {
    flex-direction: row;
    align-items: center;
    gap: 22px;
  }

  .page-home .breather-scale {
    flex: 1 1 auto;
  }
}

@media (min-width: 980px) {
  .page-home .hero-grid {
    grid-template-columns: repeat(12, 1fr);
    align-items: start;
    column-gap: clamp(24px, 3vw, 44px);
  }

  .page-home .hero-rail {
    grid-column: 1 / span 3;
    position: sticky;
    top: 96px;
  }

  .page-home .hero-body {
    grid-column: 5 / -1;
    order: 0;
  }

  .page-home .watch-grid {
    grid-template-columns: repeat(12, 1fr);
    align-items: start;
  }

  .page-home .watch-flow {
    grid-column: 1 / span 7;
    margin-top: 0;
  }

  .page-home .watch-figure {
    grid-column: 9 / -1;
    margin-top: clamp(40px, 5vw, 72px);
  }

  .page-home .v3-grid {
    grid-template-columns: repeat(12, 1fr);
    align-items: center;
  }

  .page-home .v3-figure {
    grid-column: 1 / span 5;
  }

  .page-home .v3-body {
    grid-column: 7 / -1;
  }

  .page-home .transfer-grid {
    grid-template-columns: repeat(12, 1fr);
    align-items: start;
    margin-top: clamp(28px, 3.6vw, 44px);
  }

  .page-home .transfer-body {
    grid-column: 1 / span 7;
  }

  .page-home .transfer-aside {
    grid-column: 9 / -1;
    margin-top: 36px;
  }

  .page-home .track-grid {
    grid-template-columns: repeat(12, 1fr);
    align-items: start;
  }

  .page-home .track-head {
    grid-column: 1 / span 4;
  }

  .page-home .track-body {
    grid-column: 6 / -1;
  }

  .page-home .service-grid {
    grid-template-columns: repeat(12, 1fr);
    align-items: start;
  }

  .page-home .service-body {
    grid-column: 1 / span 6;
  }

  .page-home .service-aside {
    grid-column: 8 / -1;
    margin-top: 28px;
  }
}

@media (min-width: 1200px) {
  .page-home .round-previews {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .round-preview,
  .page-home .tag-card,
  .page-home .stat,
  .page-home .round-node,
  .page-home .flow-step {
    transition: none;
  }

  .page-home .round-preview:hover,
  .page-home .tag-card:hover,
  .page-home .stat:hover {
    transform: none;
  }
}